function getCookie(name) {
    var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
    return r ? r[1] : undefined;
}


$(function () {

    // 打开登录框
    $('.comment_form_logout').click(function () {
        $('.login_form_con').show();
    })

    // 收藏
    $(".collection").click(function () {
        var news_id = $(this).attr('data-newid');
        var action = 'collect'


        params = {
            'news_id': news_id,
            'action': action
        }
        $.ajax({
            url: "/news/news_collect",
            type: "post",
            contentType: "application/json",
            headers: {
                "X-CSRFToken": getCookie("csrf_token")
            },
            data: JSON.stringify(params),
            success: function (data) {
                if (data.errno == "0") {
                    // 收藏成功
                    // 隐藏收藏按钮
                    $(".collection").hide();
                    // 显示取消收藏按钮
                    $(".collected").show();
                } else if (data.errno == "4101") {
                    $('.login_form_con').show();
                } else {
                    alert(data.errmsg);
                }
            }
        })

    })

    // 取消收藏
    $(".collected").click(function () {
        var news_id = $(this).attr('data-newid');
        var action = 'cancel_collect'


        params = {
            'news_id': news_id,
            'action': action
        }
        $.ajax({
            url: "/news/news_collect",
            type: "post",
            contentType: "application/json",
            headers: {
                "X-CSRFToken": getCookie("csrf_token")
            },
            data: JSON.stringify(params),
            success: function (data) {
                if (data.errno == "0") {
                    // 取消收藏成功
                    // 隐藏收藏按钮
                    $(".collection").show();
                    // 显示取消收藏按钮
                    $(".collected").hide();
                } else if (data.errno == "4101") {
                    $('.login_form_con').show();
                } else {
                    alert(data.errmsg);
                }
            }
        })

    })

    // 评论提交
    $(".comment_sub").click(function (e) {
        //新闻id
        var news_id = $(this).attr('data-newsid')
        //评论内容
        var comment = $('.comment_input').val()

        params = {
            'news_id': news_id,
            'comment': comment
        }

        $.ajax({
            url: "/news/news_comment",
            type: "post",
            contentType: "application/json",
            headers: {
                "X-CSRFToken": getCookie("csrf_token")
            },
            data: JSON.stringify(params),
            success: function (data) {
                if (data.errno == '0') {
                    var comment = data.data
                    // 拼接内容
                    var comment_html = ''
                    comment_html += '<div class="comment_list">'
                    comment_html += '<div class="person_pic fl">'
                    if (comment.user.avatar_url) {
                        comment_html += '<img src="' + comment.user.avatar_url + '" alt="用户图标">'
                    } else {
                        comment_html += '<img src="../../static/news/images/worm.jpg" alt="用户图标">'
                    }
                    comment_html += '</div>'
                    comment_html += '<div class="user_name fl">' + comment.user.nick_name + '</div>'
                    comment_html += '<div class="comment_text fl">'
                    comment_html += comment.content
                    comment_html += '</div>'
                    comment_html += '<div class="comment_time fl">' + comment.create_time + '</div>'

                    comment_html += '<a href="javascript:;" class="comment_up fr" data-commentid="' + comment.id + '" data-newsid="' + comment.news_id + '">赞</a>'
                    comment_html += '<a href="javascript:;" class="comment_reply fr">回复</a>'
                    comment_html += '<form class="reply_form fl">'
                    comment_html += '<textarea class="reply_input"></textarea>'
                    comment_html += '<input type="button" value="回复" class="reply_sub fr" data-commentid="' + comment.id + '" data-newsid="' + news_id + '">'
                    comment_html += '<input type="reset" name="" value="取消" class="reply_cancel fr">'
                    comment_html += '</form>'

                    comment_html += '</div>'
                    // 拼接到内容的前面
                    $(".comment_list_con").prepend(comment_html)
                    // 让comment_sub 失去焦点
                    $('.comment_sub').blur();
                    // 清空输入框内容
                    $(".comment_input").val("")

                    updateCommentCount()
                } else {
                    alert(data.errmsg)
                }

            }
        })


    })

    $('.comment_list_con').delegate('a,input', 'click', function () {

        var sHandler = $(this).prop('class');

        if (sHandler.indexOf('comment_reply') >= 0) {
            $(this).next().toggle();
        }

        if (sHandler.indexOf('reply_cancel') >= 0) {
            $(this).parent().toggle();
        }

        if (sHandler.indexOf('comment_up') >= 0) {
            $this = $(this)
            //添加变量标示是点赞还是取消
            var action = "add"
            if (sHandler.indexOf('has_comment_up') >= 0) {
                // 如果当前该评论已经是点赞状态，再次点击会进行到此代码块内，代表要取消点赞
                action = "remove"
            }
            // #获取评论id
            var comment_id = $(this).attr("data-commentid")
            //获取新闻id
            var news_id = $(this).attr("data-newsid")

            var params = {
                "comment_id": comment_id,
                "action": action,
                "news_id": news_id
            }

            $.ajax({
                url: "/news/comment_like",
                type: "post",
                contentType: "application/json",
                headers: {
                    "X-CSRFToken": getCookie("csrf_token")
                },
                data: JSON.stringify(params),
                success: function (data) {
                    if (data.errno == "0") {
                        var likecount = $this.attr('data-likecount')
                        if (likecount == 'undefined') {
                            likecount = 0
                        }
                        //强转为整数
                        likecount = parseInt(likecount)


                        // 更新点赞按钮图标
                        if (action == "add") {
                            likecount += 1
                            // 代表是点赞
                            $this.addClass('has_comment_up')
                        } else {
                            likecount -= 1
                            $this.removeClass('has_comment_up')
                        }
                        //重新赋值
                        $this.attr('data-likecount', likecount)
                        $this.html(likecount)

                    } else if (data.errno == "4101") {
                        $('.login_form_con').show();
                    } else {
                        alert(data.errmsg)
                    }
                }
            })
        }

        if (sHandler.indexOf('reply_sub') >= 0) {
            //回复评论
            var $this = $(this)
            //当前新闻的id
            var news_id = $(this).attr('data-newsid')
            //要回复的评论的id
            var parent_id = $(this).attr('data-commentid')
            var comment = $(this).prev().val()

            if (!comment) {
                alert('请输入评论内容')
                return
            }
            var params = {
                "news_id": news_id,
                "comment": comment,
                "parent_id": parent_id
            }

            $.ajax({
                url: "/news/news_comment",
                type: "post",
                contentType: "application/json",
                headers: {
                    "X-CSRFToken": getCookie("csrf_token")
                },
                data: JSON.stringify(params),
                success: function (data) {
                    if (data.errno == "0") {
                        var comment = data.data
                        // 拼接内容
                        var comment_html = ""
                        comment_html += '<div class="comment_list">'
                        comment_html += '<div class="person_pic fl">'
                        if (comment.user.avatar_url) {
                            comment_html += '<img src="' + comment.user.avatar_url + '" alt="用户图标">'
                        } else {
                            comment_html += '<img src="../../static/news/images/worm.jpg" alt="用户图标">'
                        }
                        comment_html += '</div>'
                        comment_html += '<div class="user_name fl">' + comment.user.nick_name + '</div>'
                        comment_html += '<div class="comment_text fl">'
                        comment_html += comment.content
                        comment_html += '</div>'
                        comment_html += '<div class="reply_text_con fl">'
                        comment_html += '<div class="user_name2">' + comment.parent.user.nick_name + '</div>'
                        comment_html += '<div class="reply_text">'
                        comment_html += comment.parent.content
                        comment_html += '</div>'
                        comment_html += '</div>'
                        comment_html += '<div class="comment_time fl">' + comment.create_time + '</div>'

                        comment_html += '<a href="javascript:;" class="comment_up fr" data-commentid="' + comment.id + '" data-newsid="' + comment.news_id + '">赞</a>'
                        comment_html += '<a href="javascript:;" class="comment_reply fr">回复</a>'
                        comment_html += '<form class="reply_form fl">'
                        comment_html += '<textarea class="reply_input"></textarea>'
                        comment_html += '<input type="button" value="回复" class="reply_sub fr" data-commentid="' + comment.id + '" data-newsid="' + news_id + '">'
                        comment_html += '<input type="reset" name="" value="取消" class="reply_cancel fr">'
                        comment_html += '</form>'

                        comment_html += '</div>'
                        //添加一条新的评论到标签里
                        $(".comment_list_con").prepend(comment_html)
                        // 请空输入框
                        $this.prev().val('')
                        // 关闭
                        $this.parent().hide()

                        updateCommentCount();

                    } else {
                        alert(data.errmsg)
                    }
                }
            })


        }
    })


    // 更新评论条数
    function updateCommentCount() {
        var length = $(".comment_list").length
        $(".comment_count").html(length + "条评论")
        $(".comment").html(length)
    }

    // 关注当前新闻作者
    $(".focus").click(function () {

    })

    // 取消关注当前新闻作者
    $(".focused").click(function () {

    })
})